Chapter 44 — REFERENCED STANDARDS
2025 California Residential Code (Title 24, Part 2.5) · 2025 edition · ingested 2026-07-07 · California
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Notwithstanding California laws and regulations, these referenced standards shall be applicable only to those California Residential Code sections that are adopted. User notes: About this chapter: The one- and two-family dwelling code contains numerous references to standards promulgated by other organizations that are used to provide requirements for materials, products and methods of construction. Chapter 44 contains a comprehensive list of all standards that are referenced in this code. These standards, in essence, are part of this code to the extent of the reference to the standard. This…
12.5 Conditions of Acceptance: Should one of the three replicates fail to meet the… ¶
12.5 Conditions of Acceptance: Should one of the three replicates fail to meet the Conditions of Acceptance, three additional tests may be run. All of the additional tests must meet the Conditions of Acceptance. 1. Absence of flame penetration of the eaves or horizontal projection assembly at any time. 2. Absence of structural failure of the eaves or horizontal projection subassembly at any time. 3. Absence of sustained combustion of any kind at the conclusion of the 40-minute test. on Jul 18, 2025 11:14 AM (CDT) THEREUNDER. REFERENCED STANDARDS F844—19: Standard Specification for Washers,…
R336.8 31— 24 : Standard for the Installation of Oil-Burning Equipment ¶
R336.8 31— 24 : Standard for the Installation of Oil-Burning Equipment 58— 24 : Liquefied Petroleum Gas Code 68—13: Standard on Explosion Protection by Deflagration Venting 70—23: National Electrical Code See California Electrical Code for amendments 72—22: National Fire Alarm and Signaling Code as amended RR310.1, R310.3.3, R310.7.1, R311.6, R311.7.1, R311.7.2, R335.5.2.1, R335.5.2.4 NFPA 72, Amended Sections as follows: Revise Section 10.3.1 to read as follows: 10.3.1 Equipment constructed and installed in conformity with this code shall be listed for the purpose for which it is used. Fire…
17.16 Fire Extinguisher Electronic Monitoring Device. ¶
17.16 Fire Extinguisher Electronic Monitoring Device. A fire extinguisher electronic monitoring device shall indicate those conditions for a specific fire extinguisher required by California Code of Regulations, Title 19, Division 1, Chapter 1, Section 574.2 (c) and California Fire Code to a fire alarm control unit. Revise Section 23.8.1.2 to read as follows: 23.8.1.2 Positive alarm sequence. 23.8.1.2.1 Systems that have positive alarm features complying with 23.8.1.2 shall be permitted if approved by the authority having jurisdiction. Operation of a patient room smoke detector in Group I-2…
CG101.1 Applicability. ¶
CG101.1 Applicability. The provisions of this chapter shall apply to the installation of nonsewered sanitation systems.
CG101.2 System requirements. ¶
CG101.2 System requirements. Nonsewered sanitation systems shall comply with ANSI/CAN/IAPMO/ISO CG106.1. CG102—DEFINITIONS
CG102.1 General. For purposes of this chapter, the following definitions shall apply: ¶
CG102.1 General. For purposes of this chapter, the following definitions shall apply: CONDITIONED SPACE. An area, room or space normally occupied and being heated or cooled for human habitation by any equipment. NONSEWERED SANITATION SYSTEM. A prefabricated integrated sewage treatment unit that is not connected to a public sewer or private sewage disposal system. CG103—INSTALLATION
CG103.1 General. ¶
CG103.1 General. The installation of nonsewered sanitation systems shall be in accordance with the manufacturer’s installation instructions and with Sections CG103.2 through CG103.7.
CG103.2 Operating conditions. ¶
CG103.2 Operating conditions. A nonsewered sanitation system in either a conditioned or unconditioned space shall be installed where the ambient temperature, ambient humidity and altitude ( atmospheric pressure ) are in accordance with the manufacturer’s installation instructions or product listing.
CG103.3 Clearances for servicing and maintenance. ¶
CG103.3 Clearances for servicing and maintenance. A nonsewered sanitation system shall be located to permit access and sufficient clearance for service and maintenance. Unless otherwise specified by the manufacturer’s installation instructions, not less than 30 inches (762 mm) in depth, width and height of working space shall be provided at any access panel.
CG103.4 Backflow prevention. ¶
CG103.4 Backflow prevention. A domestic water supply connection to a nonsewered sanitation system shall be protected in accordance with Section P2902.
CG103.5 Effluent storage. ¶
CG103.5 Effluent storage. Any container or vessel for the storage of effluent discharged from a nonsewered sanitation system and not integral to such system shall be installed in accordance with Section P2910.9.
CG103.6 Systems employing combustion. ¶
CG103.6 Systems employing combustion. A nonsewered sanitation system employing combustion shall comply with the California Mechanical Code .
CG103.7 Connection to plumbing system not required. ¶
CG103.7 Connection to plumbing system not required. A nonsewered sanitation system is not required to be connected to the sanitary drainage system of the building or premises. CG104—MANUAL REQUIRED
CG104.1 Operation and maintenance manual. ¶
CG104.1 Operation and maintenance manual. Nonsewered sanitation systems shall have an operation and maintenance manual provided by the manufacturer. CG105—SYSTEM OUTPUT
CG105.1 General. ¶
CG105.1 General. The use or disposal of all substances exiting the nonsewered sanitation system shall be determined by the authority having jurisdiction. CG106—REFERENCED STANDARDS
CG106.1 General. ¶
CG106.1 General. See Table CG106.1 for standards that are referenced in various sections of this appendix. Standards are listed by the standard identification with the effective date, the standard title and the section or sections of this appendix that reference the standard. TABLE CG106.1—REFERENCED STANDARDSCol2Col3 --------- STANDARD<brACRONYMSTANDARD NAMESECTIONS HEREIN<brREFERENCED ANSI/CAN/IAPMO/ISO 30500—2019Non-sewered sanitation systems — Prefabricated integrated treatment units<br— General safety and performance requirements for design and testingCG101.2 on Jul 18, 2025 11:14 AM…
CK101.1 Construction documents. ¶
CK101.1 Construction documents. Construction documents shall include the WSEL200 and the elevation(s) of the floor(s) and, as applicable, the elevation(s) and slopes of roofs, of the building or structure. CK102 Definitions. The following words and terms shall, for the purposes of this section, have the meanings shown. AREAS PROTECTED BY THE FACILITIES OF THE CENTRAL VALLEY FLOOD PROTECTION PLAN WHERE FLOOD LEVELS ARE ANTICI- PATED TO EXCEED THREE FEET FOR THE 200-YEAR FLOOD EVENT. Geographical areas identified by the state as “Areas Protected by the Facilities of the Central Valley Flood…
CK103.1 Determination of loads. ¶
CK103.1 Determination of loads. Hydrostatic loads, based on the depth of water determined by the WSEL200 shall be determined in accordance with Chapter 5 of ASCE 7. Reduction of hydrostatic loads may be accomplished by allowing for the automatic entry and exit of floodwaters to minimize unbalanced loads. Such means shall be designed by a registered design professional and include, but are not limited to, openings, valves and panels designed to yield under load. CK104 Evacuation Locations. An evacuation location and a route to the evacuation location shall be provided.
CK104.1 Route to evacuation location. ¶
CK104.1 Route to evacuation location. A route shall be allowed through any number of intervening rooms or spaces. Doors along the route shall be openable without the use of a key, lock, special knowledge or effort.
CK104.2 minimum size requirements. ¶
CK104.2 minimum size requirements. Evacuation locations shall provide a minimum gross floor area of 7 square feet (0.65 m [2] ) per occupant, based on the occupant load of the portions of the building that are below WSEL200. The area provided shall be adequate to accommodate the occupant load of the upper levels as well as the anticipated occupant load from the area below the WSEL200. CK105 Space within the building. If the evacuation location is a space within a building, the evacuation location shall be provided with a means for occupants to be evacuated out of the building specified in…
CK105.1 Windows, minimum size and dimensions. ¶
CK105.1 Windows, minimum size and dimensions. A minimum of one window shall be provided that meet the minimum size, mini- mum dimensions and operational constraints of Section R310. The number of such windows shall be appropriate for the occupancy or occupancies of the portions of the building that are below WSEL200. Note: It is the intent of this section that windows be of sufficient number, sizes and dimensions to reasonably accommodate the needs and limitations of the occupants of the building. Reasonable judgment in the application of this requirement must be exer- cised by the building…
CK105.2 Exterior doors to decks, balconies and porches. ¶
CK105.2 Exterior doors to decks, balconies and porches. Exterior doors to decks, balconies and porches shall be sized in accor- dance with Section R311.
CK105.3 Means of escape to rooftops from spaces within a building. ¶
CK105.3 Means of escape to rooftops from spaces within a building. The means of escape to rooftops shall be permitted to be provided by a stairway, ramp, alternating tread device, fixed ladder or other means approved by the building official. CK106 Decks and balconies that are evacuation locations. Decks and balconies that have finish floors no less than one (1) foot (0.30 meter) above the WSEL200 shall be permitted to be evacuation locations. When a deck or balcony used as an evacuation location is not at the same level as a floor within the building, it shall be permitted to be accessed by…
CK106.1 Live load. ¶
CK106.1 Live load. Decks and balconies that are evacuation locations shall be designed for the live load required in Table R301.5.
CK106.2 Evacuation route. ¶
CK106.2 Evacuation route. Evacuation routes to decks and balconies that are evacuation locations shall be permitted to be provided by a stairway, ramp, alternating tread device, fixed ladder or other means approved by the building official. CK107 Rooftop evacuation locations. Rooftop evacuation locations shall be permitted to include rooftop platforms and rooftop areas provided that they are no less than one (1) foot (0.30 meter) above the WSEL200. A minimum horizontal distance of 3 feet (0.91 meter) shall be provided between the lower edge of the rooftop evacuation location access point and…
CK107.1 Rooftop platforms required. ¶
CK107.1 Rooftop platforms required. A rooftop platform shall be provided if the roof covering materials are: 1. Clay tile, concrete tile, slate shingles, wood shingles or wood shakes and the roof slope is three units vertical in 12 units hori- zontal (25 percent slope) or greater. 2. Metal roof panels or metal roof shingles and the roof slope is one unit vertical in 12 units horizontal (8.33 percent slope) or greater.
CK107.2 Roof live loads. ¶
CK107.2 Roof live loads. Roof areas that are rooftop evacuation locations and roofs that support rooftop platforms that are evacua- tion locations shall be designed for the roof live load required for the occupancy as required in CBC Table 1607.2.
CK107.3 Evacuation routes to rooftop evacuation locations. ¶
CK107.3 Evacuation routes to rooftop evacuation locations. Evacuation routes to rooftop evacuation locations shall be permitted to be provided by a stairway, ramp, alternating tread device, fixed ladder or other means approved by the building official. APPENDIX CK-4 2025 CALIFORNIA RESIDENTIAL CODE on Jul 18, 2025 11:14 AM (CDT) THEREUNDER. APPENDIX CK — AREAS PROTECTED BY THE FACILITIES OF THE CENTRAL VALLEY FLOOD PROTECTION PLAN
CK107.4 Perimeter protection. ¶
CK107.4 Perimeter protection. The perimeter of rooftop evacuation locations shall be protected by: 1. Guards per Section R312 if a rooftop platform is provided; or 2. A railing that is 12 inches (305 mm) in height if a sloped roof is provided.
CK107.5 Utility/equipment buffer zone. ¶
CK107.5 Utility/equipment buffer zone. A separation of 48 inches shall be provided between an evacuation location and any mechanical equipment, photovoltaic system, utility service drop or other utility line. Electrical service lines shall not pass over evacu- ation locations. CK108 Attics that are evacuation locations. Attics that have finish floors no less than one (1) foot above the WSEL200 shall be permitted to be evacuation locations.
CK108.1 Headroom. ¶
CK108.1 Headroom. When an attic is used as an evacuation location, the minimum headroom of the required area shall be 30 inches (762 mm) with 50 percent of the required area having a headroom of 60 inches (1524 mm).
CK108.2 Attic flooring. ¶
CK108.2 Attic flooring. The required area of the evacuation location shall be solidly sheathed.
CK108.3 Attic live loads. ¶
CK108.3 Attic live loads. Attic areas that are used as evacuation locations shall be designed for the attic with limited live load requirement in Table R301.5.
CK108.4 Evacuation routes to attic evacuation locations. ¶
CK108.4 Evacuation routes to attic evacuation locations. In Group R-3.1 occupancies that are subject to the requirements of Chap- ter 11A or 11B, such requirements shall apply to the evacuation routes to attics. In Group R-3 occupancies, evacuation routes to attic evacuation locations shall be permitted to be provided by a stairway, ramp, alternating tread device, fixed ladder or other means approved by the building official.
CK108.5 Means of escape from attics. ¶
CK108.5 Means of escape from attics. The means of escape from attics shall comply with Section CK105. CK109 Alternate means of protection.
CK109.1 Request for approval of alternate means of protection. ¶
CK109.1 Request for approval of alternate means of protection. Requests for approval to use an alternative means of protection shall be made in writing to the building official by the owner or the owner’s authorized representative. The request shall be accompa- nied by a full statement of the conditions and sufficient evidence that the proposed alternate means of protection provides reasonable protection to occupants. The building official shall require the owner to obtain a written statement from the applicable emergency management authority regarding plans and processes related to…
CK109.2 Appeals. ¶
CK109.2 Appeals. When a request for an alternate means of protection has been denied by the building official, the applicant may file a written appeal with the board of appeals. In considering such appeal, the board of appeals may provide additional information to, and request additional written statements from the Central Valley Flood Protection Board, the California Department of Water Resources and the California Emergency Management Agency. If such additional written statements are provided, the board of appeals shall consider those statements. on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.…